build: add diff since last release to Dalamud PR

.github/workflows/release.yml

@@ -84,6 +84,14 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Find Previous Release
+        id: findtag
+        run: |
+          echo ::set-output name=previous_release::$(git tag --sort "-committerdate" | head -n 1)
+        
       - name: Download artifact
         uses: actions/download-artifact@v2
         with:
@@ -100,7 +108,7 @@ jobs:
         run: |
           cp out/latest.zip DalamudPlugins/autoSweep/latest.zip
           cp out/autoSweep.json DalamudPlugins/autoSweep/autoSweep.json
-          cp -r out/images DalamudPlugins/autoSweep/images
+          cp -r out/images DalamudPlugins/autoSweep/
           
       - name: Create Pull Request
         uses: peter-evans/create-pull-request@v4
@@ -114,4 +122,4 @@ jobs:
           body: |
             ${{ github.event.release.body }}
             
-            *This PR was automatically generated by the PaissaHouse build system ([link to run](https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }})).*
+            *This PR was automatically generated by the PaissaHouse build system ([link to run](https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}); [diff since last release](https://github.com/${{ github.repository }}/compare/${{ steps.findtag.outputs.previous_release }}...${{ github.event.release.tag_name }})).*